boot

Boot ISO from USB Stick

Linux / 31. December 2017 / alex

Many Linux distribution builders like Devuan and Debian produce hybrid ISO image that work on discs and USB sticks. You can make bootable USB sticks by simply copying the image to the USB device with this command dd if=isoimage of=/dev/sdX bs=10240 You can find the device name (X) by looking into dmesg oder lsscsi, and […]

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Update Cisco Catalyst Software

Cisco, Internet, Routing / 2. August 2012 / alex

I had to update the software of a new Cisco Catalyst 4948 yesterday. As usual I did: copy tftp://<hostname>/<filename> bootflash: conf t boot system flash bootflash:<filename> exit reload But the switch ignored the new software image. During boot it said: Booting first image from bootflash Solution: The config-register was set to 0x2101 right out of

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